What Is Selenium WebDriver?
By Karthick Selvam · Published
Selenium WebDriver is an open-source tool for automating web browsers, widely used for testing web applications.
How it works
Test code in Java, Python, C#, JavaScript or other languages sends commands to browser drivers that control Chrome, Firefox, Edge or Safari.
Common uses
Automated regression tests, cross-browser testing, and integration into CI pipelines.
Selenium Grid
Runs tests in parallel across machines and browsers.
Good practice
Use explicit waits, the page object pattern and stable locators to reduce flaky tests.
Frequently asked questions
Are there alternatives?
Yes, such as Playwright and Cypress.
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